diff options
| author | Ken Chalmers <ken.chalmers@amd.com> | 2018-12-19 14:50:20 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-01-14 15:04:45 -0500 |
| commit | 32e61361b82e7ad016a83345f66ccc68865f63f4 (patch) | |
| tree | 6e0dee55953f51af01b351c32a908edefab48737 /drivers/gpu/drm/amd/display/dc/dce80 | |
| parent | 785fd44c251c08c1490e20daec604f0f924dd7fc (diff) | |
drm/amd/display: Fix 64-bit division for 32-bit builds
[Why]
32-bit builds break when doing 64-bit division directly.
[How]
Use the div_u64() function instead to perform the division.
Fixes: https://lists.freedesktop.org/archives/dri-devel/2018-December/201008.html
Signed-off-by: Ken Chalmers <ken.chalmers@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce80')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c index 5c629ae487ec..8b5ce557ee71 100644 --- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c @@ -94,7 +94,7 @@ static void program_pix_dur(struct timing_generator *tg, uint32_t pix_clk_100hz) if (pix_clk_100hz == 0) return; - pix_dur = 10000000000ull / pix_clk_100hz; + pix_dur = div_u64(10000000000ull, pix_clk_100hz); set_reg_field_value( value, |